* Markets rise as Cyprus says hours from new rescue plan * Brent crude up slightly on day, down over 2 pct on week * Copper also inches up on day, slides 1 pct on week * Gold slips for session, but has biggest week in 2 months By Barani Krishnan NEW YORK, March 22 (Reuters) - Oil and copper prices rose while gold and corn fell on Friday as Cyprus' debt drama and worries how that could affect the broader euro zone led to another volatile session in commodities. The euro r